oxygenation & perfusion NCLEX questions with correct answers

A nurse caring for a patient with chronic obstructive pulmonary disease (COPD) knows that hypoxia may occur in patients with respiratory problems. What are signs of this serious condition? Select all answers that apply. a. Dyspnea b. Hypotension c. Small pulse pressure d. Decreased respiratory rate e. Pallor f. Increased pulse rate - Answer a, c, e, f. If a problem exists in ventilation, respiration, or perfusion, hypoxia may occur. Hypoxia is a condition in which an inadequate amount of oxygen is available to cells. The most common symptoms of hypoxia are dyspnea (difficulty breathing), an elevated blood pressure with a small pulse pressure, increased respiratory and pulse rates, pallor, and cyanosis. A nurse is suctioning the nasopharyngeal airway of a patient to maintain a patent airway. For which condition would the nurse anticipate the need for a nasal trumpet? a. The patient vomits during suctioning. b. The secretions appear to be stomach contents. c. The catheter touches an unsterile surface. d. Epistaxis is noted with continued suctioning. - Answer . d. When epistaxis is noted with continued suctioning, the nurse should notify the physician and anticipate the need for a nasal trumpet. The nasal trumpet will protect the nasal mucosa from further trauma related to suctioning.